ast

Documentation

Index

• type BlockStatement
  • func (bs *BlockStatement) End() token.Position
  • func (bs *BlockStatement) Pos() token.Position
  • func (bs *BlockStatement) String() string
  • func (bs *BlockStatement) TokenLiteral() string
• type BooleanLiteral
  • func (b *BooleanLiteral) End() token.Position
  • func (b *BooleanLiteral) Pos() token.Position
  • func (b *BooleanLiteral) String() string
  • func (b *BooleanLiteral) TokenLiteral() string
• type CallExpression
  • func (ce *CallExpression) End() token.Position
  • func (ce *CallExpression) Pos() token.Position
  • func (ce *CallExpression) String() string
  • func (ce *CallExpression) TokenLiteral() string
• type Expression
• type ExpressionStatement
  • func (es *ExpressionStatement) End() token.Position
  • func (es *ExpressionStatement) Pos() token.Position
  • func (es *ExpressionStatement) String() string
  • func (es *ExpressionStatement) TokenLiteral() string
• type FunctionLiteral
  • func (fl *FunctionLiteral) End() token.Position
  • func (fl *FunctionLiteral) Pos() token.Position
  • func (fl *FunctionLiteral) String() string
  • func (fl *FunctionLiteral) TokenLiteral() string
• type Identifier
  • func (i *Identifier) End() token.Position
  • func (i *Identifier) Pos() token.Position
  • func (i *Identifier) String() string
  • func (i *Identifier) TokenLiteral() string
• type InfixExpression
  • func (ie *InfixExpression) End() token.Position
  • func (ie *InfixExpression) Pos() token.Position
  • func (ie *InfixExpression) String() string
  • func (ie *InfixExpression) TokenLiteral() string
• type LetStatement
  • func (ls *LetStatement) End() token.Position
  • func (ls *LetStatement) Pos() token.Position
  • func (ls *LetStatement) String() string
  • func (ls *LetStatement) TokenLiteral() string
• type NilLiteral
  • func (n *NilLiteral) End() token.Position
  • func (n *NilLiteral) Pos() token.Position
  • func (n *NilLiteral) String() string
  • func (n *NilLiteral) TokenLiteral() string
• type Node
• type NumberLiteral
  • func (nl *NumberLiteral) End() token.Position
  • func (nl *NumberLiteral) Pos() token.Position
  • func (nl *NumberLiteral) String() string
  • func (nl *NumberLiteral) TokenLiteral() string
• type PrefixExpression
  • func (pe *PrefixExpression) End() token.Position
  • func (pe *PrefixExpression) Pos() token.Position
  • func (pe *PrefixExpression) String() string
  • func (pe *PrefixExpression) TokenLiteral() string
• type Program
  • func (p *Program) End() token.Position
  • func (p *Program) Pos() token.Position
  • func (p *Program) String() string
  • func (p *Program) TokenLiteral() string
• type ReturnStatement
  • func (rs *ReturnStatement) End() token.Position
  • func (rs *ReturnStatement) Pos() token.Position
  • func (rs *ReturnStatement) String() string
  • func (rs *ReturnStatement) TokenLiteral() string
• type Statement
• type StringLiteral
  • func (s *StringLiteral) End() token.Position
  • func (s *StringLiteral) Pos() token.Position
  • func (s *StringLiteral) String() string
  • func (s *StringLiteral) TokenLiteral() string

Types

type BlockStatement

type BlockStatement struct {
	Token       token.Token
	Statements  []Statement
	RBraceToken token.Token //used in End() method
}

func (*BlockStatement) End

func (bs *BlockStatement) End() token.Position

func (*BlockStatement) Pos

func (bs *BlockStatement) Pos() token.Position

func (*BlockStatement) String

func (bs *BlockStatement) String() string

func (*BlockStatement) TokenLiteral

func (bs *BlockStatement) TokenLiteral() string

type BooleanLiteral

type BooleanLiteral struct {
	Token token.Token
	Value bool
}

func (*BooleanLiteral) End

func (b *BooleanLiteral) End() token.Position

func (*BooleanLiteral) Pos

func (b *BooleanLiteral) Pos() token.Position

func (*BooleanLiteral) String

func (b *BooleanLiteral) String() string

func (*BooleanLiteral) TokenLiteral

func (b *BooleanLiteral) TokenLiteral() string

type CallExpression

type CallExpression struct {
	Token     token.Token // The '(' token
	Function  Expression  // Identifier or FunctionLiteral
	Arguments []Expression
}

func (*CallExpression) End

func (ce *CallExpression) End() token.Position

func (*CallExpression) Pos

func (ce *CallExpression) Pos() token.Position

func (*CallExpression) String

func (ce *CallExpression) String() string

func (*CallExpression) TokenLiteral

func (ce *CallExpression) TokenLiteral() string

type Expression

type Expression interface {
	Node
	// contains filtered or unexported methods
}

type ExpressionStatement

type ExpressionStatement struct {
	Token      token.Token
	Expression Expression
}

func (*ExpressionStatement) End

func (es *ExpressionStatement) End() token.Position

func (*ExpressionStatement) Pos

func (es *ExpressionStatement) Pos() token.Position

func (*ExpressionStatement) String

func (es *ExpressionStatement) String() string

func (*ExpressionStatement) TokenLiteral

func (es *ExpressionStatement) TokenLiteral() string

type FunctionLiteral

type FunctionLiteral struct {
	Token      token.Token // The 'fn' token
	Parameters []*Identifier
	Body       *BlockStatement
}

func (*FunctionLiteral) End

func (fl *FunctionLiteral) End() token.Position

func (*FunctionLiteral) Pos

func (fl *FunctionLiteral) Pos() token.Position

func (*FunctionLiteral) String

func (fl *FunctionLiteral) String() string

func (*FunctionLiteral) TokenLiteral

func (fl *FunctionLiteral) TokenLiteral() string

type Identifier

type Identifier struct {
	Token token.Token
	Value string
}

func (*Identifier) End

func (i *Identifier) End() token.Position

func (*Identifier) Pos

func (i *Identifier) Pos() token.Position

func (*Identifier) String

func (i *Identifier) String() string

func (*Identifier) TokenLiteral

func (i *Identifier) TokenLiteral() string

type InfixExpression

type InfixExpression struct {
	Token    token.Token
	Operator string
	Right    Expression
	Left     Expression
}

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func (*InfixExpression) End

func (ie *InfixExpression) End() token.Position

func (*InfixExpression) Pos

func (ie *InfixExpression) Pos() token.Position

func (*InfixExpression) String

func (ie *InfixExpression) String() string

func (*InfixExpression) TokenLiteral

func (ie *InfixExpression) TokenLiteral() string

type LetStatement

type LetStatement struct {
	Token token.Token
	Name  *Identifier
	Value Expression
}

let <identifier> = <expression>

func (*LetStatement) End

func (ls *LetStatement) End() token.Position

func (*LetStatement) Pos

func (ls *LetStatement) Pos() token.Position

func (*LetStatement) String

func (ls *LetStatement) String() string

func (*LetStatement) TokenLiteral

func (ls *LetStatement) TokenLiteral() string

type NilLiteral

type NilLiteral struct {
	Token token.Token
}

func (*NilLiteral) End

func (n *NilLiteral) End() token.Position

func (*NilLiteral) Pos

func (n *NilLiteral) Pos() token.Position

func (*NilLiteral) String

func (n *NilLiteral) String() string

func (*NilLiteral) TokenLiteral

func (n *NilLiteral) TokenLiteral() string

type Node

type Node interface {
	Pos() token.Position // position of first character belonging to the node
	End() token.Position // position of first character immediately after the node

	TokenLiteral() string
	String() string
}

type NumberLiteral

type NumberLiteral struct {
	Token token.Token
	Value float64
}

func (*NumberLiteral) End

func (nl *NumberLiteral) End() token.Position

func (*NumberLiteral) Pos

func (nl *NumberLiteral) Pos() token.Position

func (*NumberLiteral) String

func (nl *NumberLiteral) String() string

func (*NumberLiteral) TokenLiteral

func (nl *NumberLiteral) TokenLiteral() string

type PrefixExpression

type PrefixExpression struct {
	Token    token.Token
	Operator string
	Right    Expression
}

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func (*PrefixExpression) End

func (pe *PrefixExpression) End() token.Position

func (*PrefixExpression) Pos

func (pe *PrefixExpression) Pos() token.Position

func (*PrefixExpression) String

func (pe *PrefixExpression) String() string

func (*PrefixExpression) TokenLiteral

func (pe *PrefixExpression) TokenLiteral() string

type Program

type Program struct {
	Statements []Statement
}

func (*Program) End

func (p *Program) End() token.Position

func (*Program) Pos

func (p *Program) Pos() token.Position

func (*Program) String

func (p *Program) String() string

func (*Program) TokenLiteral

func (p *Program) TokenLiteral() string

type ReturnStatement

type ReturnStatement struct {
	Token       token.Token // the 'return' token
	ReturnValue Expression
}

func (*ReturnStatement) End

func (rs *ReturnStatement) End() token.Position

func (*ReturnStatement) Pos

func (rs *ReturnStatement) Pos() token.Position

func (*ReturnStatement) String

func (rs *ReturnStatement) String() string

func (*ReturnStatement) TokenLiteral

func (rs *ReturnStatement) TokenLiteral() string

type Statement

type Statement interface {
	Node
	// contains filtered or unexported methods
}

type StringLiteral

type StringLiteral struct {
	Token token.Token
	Value string
}

func (*StringLiteral) End

func (s *StringLiteral) End() token.Position

func (*StringLiteral) Pos

func (s *StringLiteral) Pos() token.Position

func (*StringLiteral) String

func (s *StringLiteral) String() string

func (*StringLiteral) TokenLiteral

func (s *StringLiteral) TokenLiteral() string